I just started Latuda and am having the same breathing issues. I have asthma but usually only need rescue inhaler when I have a cold or before working out. After taking Latuda the second evening my trouble breathing started in and had to take my inhaler 8-20 times that day and the next, then realized it might be the Latuda so stop in a few days but also took my Kolonapin which seemed to help. Did you guys ever come to any firm conclusions on whether the Latuda was causing the breathing issues?